b

This page lists questions and answers that were posted by visitors named b.

Questions

The following questions were asked by visitors named b.

solve for variables 20/y=15/10=x/8

what fallacy is I don't know what colleges are teaching these days! I have just received a letter of application from a young man who graduated from the state university last June. It was a wretched letter--badly written, with elementary errors in spellin...

what is the overall change of an ionic compound?

the voters in a district

You drop a 2.3 kg textbook to a friend who stands on the ground 9 m below the textbook with outstretched hands 1.50 m above the ground. What is the speed of the textbook when it reaches the hands?

an electric current can be generated by moving a wire coil in a magnetic?

The great galaxy in Andromeda has an angular diameter along its long axis of about 5 degree. Its distance is about 2.2 millons light years. What is its linear diameter.

A light bulb radiates most strongly at a wavelength of about 3000 nanometers. How hot is its filament?

Explain the cause of the Earths' season. I need a diagram for my explanation

The precession of the Earth its causes, and its ramifications

Does the = sign in the equation E=mc2 mean that energy and light are equivalent

E=mc2 involves the conversion of matter into energy during the thermonuclear process in the center of stars The equal sign indicates the energy and light are equivalent Is this correct or not?

Retrograde motion describes the backward motion of the stars relative to earth

Ammonia, NH3, is used as a refrigerant. At its boiling point of -33ºC, the enthalpy of vaporization of ammonia is 23.3 kJ/mol. How much heat is required to vaporize 125 g of ammonia at -33ºC?

Which substance is an electrolyte? C2H5OH C6H12O6 C12H22O11 CH3COOH

which of the following measures of dispersion are based on deviations from the mean?

1/6(3/4x-2)=-1/5

select a consumer item available today and analyze it using the 4 ps of marketing

what means esophagus

1 A steel wire, 150 m long at 10¢XC, has a coefficient of linear expansion of 11 „e 10ƒ{6/C¢X. Give its change in length as the temperature changes from 10„aC to 45„aC. 5.8 cm

a propeller turns at 300 rpm. Find the angular speed in rad/sec and the linear speed at the tip if the tip to the center is 30cm

any state auto insurance company took a random sample of 370 insurance claims paid out during a 1-year period. the average claim was $750 with a standard deviation of $150. find .99 confidence interval for the mean claim payment.

A sociologist is studying marriage customs in a rural community in Denmark to determine the age of the woman at the time of her first marriage. The sample standard deviation of these ages was 2.3 years. The sociologist wants to estimate the population mea...

A .500 g sample of impure CaO (a solid) is added to 50.0 mL of 0.100 M HCl. The excess HCl is titrated by 5.00 mL of .125 M NaOH. What is the percentage of CaO in the sample?

a 35.5 mL sample of an NaOH solution is needed to titrate a 2.08 g sample of pure benzoic acid (HC7H5O2)a solid. What is the molarity of the NaOH solution?

Suppose you have 100 g of radioactive plutonium-239 with a half-life of 24,000 years. How many grams will remain after (a) 12,000 years (b) 24,000 years (c) 96,000 years?

(a)What is the bond order of the diatomic molecule BN? (b) Is BN paramagnetic? (c) Rank the following compounds in order of increasing bond energy: B2, N2, BN. (d) Rank the following compounds in order of increasing bond length: B2, N2, BN.

Estimate each quotient 535.6/35?

List order of numbers from least to greatest is the following correct? 1 3/7 1 2/4 1 8/14 1 3/4

A box contains four red, three blue, and six green lenses. Two lenses are randomly selected from the box. Find the probability of getting two red lenses when two are selected if the first selection is NOT replaced before the second selection is made.

The buying and selling commission schedule shown below is from a well-known online discount brokerage firm.? Taking into consideration the buying and selling commissions in the schedule find annual rate of interest earned by each investment? Transaction S...

a grocery store sells vinegar in 1Lbottles. based on your results, how many grams of acetic acid are in a bottle?

a recipe calls for 1/4 teaspoon of salt. to make three times the amount how much salt is needed?

Aluminum granules are a component of some drain cleaners because they react with sodium hydroxide to release both energy and gas bubbles to help clear the drain clog. The reaction is: 2NaOH + Al + 6H2O  2NaAl(OH)4 + 3H2 (note: balance the reaction first)...

Q3: In the combustion reaction of 149g of propane(C3H8) with excess oxygen, what volume of carbon dioxide(CO2) is produced at STP? (note: balance the reaction first) C3H8 + O2  3CO2 + H2O

Q2: A sample of carbon dioxide(CO2) has a mass of 55g and occupies 3.3L at 100C. What pressure does the gas exert (in kPa)?

ABCD is a rectangle. If AC = 2(5a + 1) and BD = 2(a + 1), find the length of each diagonal.

5/4X+7/12=1/3X-1/6

Are the two solutions to x (2x+1) = 1 found by setting x = 1 and 2x + 1 = 1? Explain your reasoning. What are the solutions to this equation? Show how you arrived at your answer. Create an equation for your classmates to solve that requires factoring.

Which of the following organizations would most likely use an unabridged dictionary? A. The English department at a large university B. An automotive dealership C. A large retail department store D. A pediatrics hospita

. You've written a check to Goodwill Supply, and the check has been lost. What should you do? A. Stop payment on the first check; then write a second one. B. Send a counter check to Goodwill. C. Write another check immediately. D. Call Goodwill and tell t...

-2(x-3) 6x Is that the right answer?

how many joules are needed to completely melt 25 grams of ice at 0 degree celcius?

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. [Round your answers to three decimal places, for example: 0.123] Compute the probabi...

Aljhumar is trying to arrange his room. He pushes an 80kg cabinet across the wooden room which resists the motion with a 300N force of friction. What is the coefficient of sliding friction between the cabinet and the floor?

A 350N box is pulled along a horizontal pathway by a rope which makes an angle of 42degrees with the pathway. If a force of 250N is applied on the rope, what is the coefficient of sliding friction?

the number of counselors must be 1/4 of the number of campers. write a rule for the number of counselors that must be at camp. wrote ordered pairs for the number of counselors when there are 76, 100, 120, and 168 campers.

Quadratic equations in problems: "The sides of a right triangle are (x+1)cm, (x+3)cm and (x+5)cm. find the length of each side." i need help asap

Translate the sentence into an inequality. Nine times the sum of a number and is at most . Use the variable b for the unknown number.

The sum of ten and the quotient of a number xxx and 666

If Jack wants to retire with $1,000 per month, how much principal is necessary to generate this amount of monthly income if the interest rate is 4% compounded monthly?

4x^2-5x-33=-29 solve and round to the nearest tenth

Why am i a person

What is the central idea of this paragraph? List and explain the details that support this idea.

why is everybody asking d questions?

I asked this question once but i can't find it anymore so I'm gonna ask once more How do you simplify this expression? -12 / 3 * (-8 + (-4^2) - 6) +2

Can someone please help me figure out this problem? The principle gave Ms. Baudy a trip budget of $500. She decided to buy a small gift for each one of the students. Since she knew that not all students would attend the trip, she planned on buying enough...

CH4 + 2O2 → CO2 + 2H2O If you change the 2 in front of 2O2 to a 3, what will be the change in the results on the right side of the equation? There are now 3H2O molecules. <- ? Nothing changes in the equation. There are now 3CO2 molecules. <- ? There is an...

Calculate the pOH of each of the following aqueous solutions (1) 1.75 M NaOH (2) 0.045 M Ba (OH)2

Two galaxies on opposite ends of the universe are moving away from the Earth. Each has a velocity of 200,000 km/s relative to the Earth. How fast would an observer in one of those galaxies see the other galaxy moving away? between 300,000 and 400,000 km/s...

Use the equation to answer the question. v = v0 + at A car company advertises that a certain model of car can go from 0 to 100 km/h in 4 seconds. What is the car’s acceleration? 400 km/hr/s 0.04 km/hr/s 25 km/hr/s 96 km/hr/s

Which statement correctly classifies distance and displacement? Both distance and displacement are scalar quantities. Both distance and displacement are vector quantities. Distance is a scalar quantity, and displacement is a vector quantity. Distance is a...

A manual contains instructions for how to build a variety of structures using a set of interlocking bricks. If this scenario is used as a model for genetic information, which statement is correct?(1 point)

According to the DMV, if a car is traveling at 65 miles per hour (29.1m/s) and slams on the breaks it will take the driver 4.8seconds (not counting reaction time) to bring the car to a full and complete stop. a) What is the acceleration of the car as it i...

(−1/2x+7/10) − (−3/4x−1/5)

What is the electromagnetic force? a force that governs how elements break down naturally a force that attracts objects with mass towards each other a force that holds atomic nuclei together a force that acts on charged particles

What is the strong nuclear force? a force that governs how elements break down naturally a force that attracts objects with mass towards each other a force that holds atomic nuclei together a force that acts on charged particles

Which force controls the size of an atomic nucleus?

What is a major division between gravity and the electromagnetic force on one hand and the nuclear forces on the other? Gravity and the electromagnetic force act on large objects while the nuclear forces act on small objects. Gravity and the electromagnet...

What is the weak nuclear force? a force that attracts objects with mass towards each other a force that acts on charged particles a force that governs how elements break down naturally a force that holds atomic nuclei together

which set of numbers represents a Pythagorean? 6,9,12 7,10,12 16,18,25 27,36,45

Pete's Deli sells corned beef at $2.55 per pound. It pays its wholesaler $1.95 per pound. What is the markup rate based on A) cost and B) selling price?

Which of the following directly caused France, Germany, and Russia to get involved in World War I? A. unrestricted submarine warfare B. food shortages C. the alliance system D. economic problems

Which of the following processes explains the change in coal miners employed in the United States from 1950 to 2000? Responses Technological diffusion Technological diffusion Just-in-time production Just-in-time production Industrial revolution Industrial...

3. The area that is now known as New Mexico was and still is home to many members of which two cultures?(1 point) Responses Navajo and Pueblo Aztec and Maya Pueblo and Cherokee Inca and Aztec

Natural law and natural rights are:(1 point) Responses Laws and rights created by governments Laws and rights granted by monarchs Laws and rights that can be taken away by governments Laws and rights that exist independent of human law

Federalism divides government power between:(1 point) Responses The national government and foreign nations The national government and foreign nations The national government and states The national government and states The executive and legislative bra...

Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts.(1 point) Responses Roots are underground and are not exposed to sunlight. Roots are underground and are not exposed to sunlight....

Identify what is addressed in the Twentieth amendment.(1 point) Responses the number of years in office the number of years in office vice president replacement upon their death or resignation vice president replacement upon their death or resignation the...

Where does most of the absorption of nutrients occur?(1 point) Responses small intestine small intestine mouth mouth large intestine large intestine stomach

What is one limitation of a using a 2D computer-generated image of the digestive system instead of using the actual thing? (1 point) Responses The 2D image does not show all of the organs since some of them overlap. The 2D image does not show all of the o...

Which of the following describes an executive power of the president?(1 point) Responses using executive orders to send instructions to executive agencies and departments using executive orders to send instructions to executive agencies and departments ve...

The ___ ___ is responsible for maintaining homeostasis within any cell. Responses A cell wallcell wall B cell membranecell membrane C endoplasmic reticulum

Large molecules and wastes move through the membrane through ____ ______. Responses A lipid layerslipid layers B protein channelsprotein channels C carbohydrate gates

In a human, ____ tissue is the one tissue that would contain a high number of mitochondria. Responses A epidermalepidermal B musclemuscle C bone

Which of the following is the outline of all the stages games go through when being developed? (1 point) Responses production cycle production cycle design cycle design cycle scientific method scientific method alpha stages

What is the BEST definition of the word beguiles as it is used in line 20 of the poem? Responses A causes laughtercauses laughter B charms and comfortscharms and comforts C horrifies and frightenshorrifies and frightens D invokes despair and misery

How is the President of the United States elected?(1 point) Responses Direct election by popular vote Direct election by popular vote Through the Senate's vote Through the Senate's vote Through a primary election Through a primary election Through the Ele...

Identify which of the following is a key independent agency.(1 point) Responses the Internal Revenue Service the Internal Revenue Service the Department of the Interior the Department of the Interior the Federal Reserve the Federal Reserve Centers for Dis...

Identify the two houses of the United States Congress.(1 point) Responses Senate and Supreme Court Senate and Supreme Court House of Representatives and Senate House of Representatives and Senate Senate and Electoral College Senate and Electoral College H...

A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from those that are outside of the system. Which part of the cell functions as a system boundary? Responses A cytoplasmcytoplasm B m...

1. Choose the best answer to the following question. (1 point) Responses Estás en línea hace año. Estás en línea hace año. Hace de febrero. Hace de febrero. Estoy nerviosa. Estoy nerviosa. Estoy en línea hace una hora.

2. Most Guatemalans are descendants or members of which Mesoamerican civilization?(1 point) Responses Inca Inca European European Aztec Aztec Maya

How did McCulloch v. Maryland establish the implied powers doctrine?(1 point) Responses It allowed Congress to create a national bank even though it was not expressed in the Constitution. It allowed Congress to create a national bank even though it was no...

have a concentration gradient between the blood and dialysate?

Explain how historians would characterize the use of executive orders for the first 100 years of American presidential history.(1 point) Responses For the first 100 years of American history, presidential employment of executive orders was the highest in...

President and Congress Quick Check 2 of 52 of 5 Items Question How did the Constitution prevent the issue of taxation without representation?(1 point) Responses by putting the House of Representatives in charge of the allocation of government funding by p...

Answers

The following answers were posted by visitors named b.

how did the storming of the bastille help contribute to democracy?

i think you debit the utilitie expense and credit cash because you are going to pay cash, which cash is decreasing so it goes on the credit side.

find the exact value of sec theta?

C8H7O2COOH + NaOH --> C8H7O2COO- + Na+ + H2O not a salt but a solution

I am wondering the same thing

The length of two sides of the triangle must add up to a length longer than the third side. To determind this you add the two sides that you know, and the 3rd side is less than that (since 6+6 = 12, the third side must be LESS than 12) and you need to sub...

only thinks of himself or herself,and rarely considers the feelings of others

bob, i appreciate your help with questions like these but don't be so harsh on Dylan. My teacher didn't explain this very well and so I think we're both just struggling with this subject.

whats the answer?

Ahh I am stuck on this question too

for 1 i think it's all?

Amotorcycle slowed down to rest from avelocity of 10m\sec whiletraveling 30m what is its average acceleration

Esteemed professor I hope to resolve the issue as soon as possible and thank you Amotorcycle slowed down to rest from avelocity of 10m\sec whiletraveling 30m what is its average acceleration

equation please

(Kg og Na)/ 23*4 =X X * 47.88 = in g convert to Kg

Jiskha is not part of the MITx platform!!! How the honor code of MITx could be applied to an user of other system?

use r=3/2, nowhere does it say r is an integer. 64,96,144,216,324,486

Im wondering, too!

the answer is B. stub

s of 50 kg comes out of a vertical dive in a ... physics - A pilot with a mass of 50 kg comes out of a vertical dive in a ... Physics - In a vertical dive a peregrine falcPOST ANSWER Related Questions Physics - A stunt pilot of mass 55.0 kg who has been d...

league of nations

what are the answers?

How to get acceleration? and time?

A Wilcoxon sum-rank test that compares the difference between A and B with the difference between C and D.

A. using Ti-84 calculater: go STAT then edit ,type the data in L1 ,then STAT again go to TESTS go to Tinterval then press ENTER. then press Calculate.then you've got your answers.Goodluck :)

the answer above is wrong

there is part to the question that is missing ad it's a diagram of holly's spinner and since i cannot upload the picture the answer won't make much sense. so the answer goes somewhere along the lines of: (x-10)+(x-2)+((x-something)x6)/8 which gives: (x-10...

there are some spelling mistakes in the answer above! sorry! e.g:'ad' is actually 'and'

The variables are supposed to be wrong so that you cannot take the problem and easily copy and paste them into the internet

thank you sooo much AyItsEmily

I think its C too

THAT IS NO HELP AT ALL

YEAH!! i need it to

I got a 100% thank you

no help kacy is got 2/4 50% the answers are C. B. A. B.

thank you so so so so much 100% you guys are super helpful

thank you so so much 100% you guys are so helpful!

C2H6+O2==>2CO2+3H2O

i it right? Bad and boujee

100% as of April 21st 2020

its not gud 2 give answers w/out explaining

really dude thats not math

right answer is best explanation for a particular pattern of observations

1.C 2.A 3.C 4.A 5.C 6.B if anyone is wondering these are the answers for 3.1.3 - Quiz: Introduction to Everyday Heroes Quiz.